This pair does not have the same or the same number of significant figures.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
five!!
4
3 of them.
One and it is 7
Two significant figures.
There are 5 significant figures in this number.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
None.None.None.None.
five!!
4
6 of them.
3 of them.
4 of them.
One and it is 7
1.404 has four significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
007001 has four significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.